• Welcome to the Sullivan County Chamber of Commerce & Industry, Inc.

  • Thompson Square Mall

    • Retail
    4058 State Route 42
    Monticello, NY 12701
    (201) 768-1300 x 21
    (201) 768-1300 (fax)
    • About

      Heidenberg Properties Group takes prides in our track record of acquiring and repositioning under-performing shopping centers.
      Market development initiatives

    • Upcoming Events